21691272 (number)

21691272 is an even 8-digits composite number following 21691271 and preceding 21691273. In scientific notation, it is written as 2.1691272 × 10^7. The sum of its digits is 30. It has a total of 5 prime factors and 16 positive divisors. There are 7230416 positive integers (up to 21691272) that are relatively prime to 21691272.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred ninety-one thousand two hundred seventy-two

Notation

Scientific notation 2.1691272 × 10^7
Engineering notation 2.1691272 × 10^6

Prime Factorization of 21691272

Prime Factorization 2 × 2 × 2 × 3 × 903803

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 5422818
Product of the distinct prime numbers

The prime factorization of 21691272 is 2 × 2 × 2 × 3 × 903803. Since it has a total of 5 prime factors.

Most popular turbo-numbers

4, 1, 43, 99, 68, 888, 8288, 8875, 28919, 49780, 989653, 906403, 2786876, 369238, 56805459, 20774664, 492387159, 684985254, 8761991544, 1299438326

Basic calculations (n = 21691272)

Multiplication

n×y
n×2 43382544
n×3 65073816
n×4 86765088
n×5 108456360

Division

n÷y
n÷2 10845636
n÷3 7230424
n÷3 5422818
n÷5 4338254.4

Exponentiation

ny
n2 470511280977984
n3 1.0205988174762E+22
n4 2.2138086552754E+29
n5 4.8020325697534E+36

Nth Root

y√n
2√n 4657.3889680807
3√n 278.88704462613
4√n 68.245065521844
5√n 29.326281840905

Divisors of 21691272

1, 2, 3, 4, 6, 8, 12, 24, 903803, 1807606, 2711409, 3615212, 5422818, 7230424, 10845636, 21691272

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21691271
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21691272 can be divided by 16 positive divisors. The sum of these divisors (counting 21691272) is 1, the average is 0.0625.

Base conversion 21691272

Base System Value
2 Binary 1010010101111101110001000
3 Ternary 1111211000211110
4 Quaternary 1102233232020
5 Quinary 21023110042
6 Senary 2052530320
8 Octal 122575610
10 Decimal 21691272
12 Duodecimal 73209a0
16 Hexadecimal 14afb88
20 Vigesimal 6fb83c
36 Base36 cwx3c

Cryptographic Hash Functions

md5 51b7d7605d889b5ffa48973552d25a61
sha1 b6b32ea8d498a104cdaa65967e19dd140546a7e8
sha256 49268eb7c63a0cb803450d5919ee2d634d50ec1858bee2dc4ac873af1801627f
sha512 c8ad0852136a9134b94b8d1aaa18b8390d96e49c5c1018bcf9ec29edf2d1f66c701dbdf6667369231455cfb0fa59fce0570ef2b4d046b6022cda57175da93f17
ripemd-160 da287f9254fa1e0e0daef8a7249c767b3c8101b9

21691272 as geometric shapes

Circle

Radius = n
Diameter 43382544
Circumference 136290281.52444
Area 1.4781547837516E+15

Sphere

Radius = n
Volume 4.2750743296608E+22
Surface area 5.9126191350062E+15
Circumference 136290281.52444

Square

Length = n
Perimeter 86765088
Area 470511280977984
Diagonal 30676091.047524

Cube

Length = n
Surface area 2823067685867904
Volume 1.0205988174762E+22
Space diagonal 37570385.184796

Equilateral Triangle

Length = n
Perimeter 65073816
Area 2.0373736104705E+14
Altitude 18785192.592398

Triangular Pyramid

Length = n
Surface area 2.0373736104705E+14
Volume 1.2027872411806E+21
Height 10225363.682508